CVE-2018-10858
Publication date 14 August 2018
Last updated 25 August 2025
Ubuntu priority
Description
A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| samba | 18.04 LTS bionic |
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.2
|
| 16.04 LTS xenial |
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.15
|
|
| 14.04 LTS trusty |
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.16
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
8.8 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3738-1
- Samba vulnerabilities
- 14 August 2018